1630536436 has 24 divisors (see below), whose sum is σ = 3091556160. Its totient is φ = 749465472.

The previous prime is 1630536431. The next prime is 1630536443. The reversal of 1630536436 is 6346350361.

It is a junction number, because it is equal to n+sod(n) for n = 1630536395 and 1630536404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630536431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275896 + ... + 281743.

It is an arithmetic number, because the mean of its divisors is an integer number (128814840).

Almost surely, 2^1630536436 is an apocalyptic number.

It is an amenable number.

1630536436 is a deficient number, since it is larger than the sum of its proper divisors (1461019724).

1630536436 is a wasteful number, since it uses less digits than its factorization.

1630536436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557703 (or 557701 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 1630536436 is about 40379.9013867047. The cubic root of 1630536436 is about 1177.0010113112.

Adding to 1630536436 its reverse (6346350361), we get a palindrome (7976886797).

The spelling of 1630536436 in words is "one billion, six hundred thirty million, five hundred thirty-six thousand, four hundred thirty-six".